Error CS0246 keeps appearing, how do I fix it

This error keeps popping up whenever I’m trying to upload my avatar in unity, does anyone know how to fix this?

You could try sticking that Assets\FindMissingScripts.cs file into a folder named Editor, and see if that does anything,

otherwise, what is FindMissingScripts.cs supposed to do, and do you still need it? Where is it from, who wrote it, is there a newer version might be valid questions. It’s a csharp file, and its clearly not part of VRChats SDK, so is likely not really required for uploading a world/avatar

I have a few clothes that have missing scripts which caused me to be unable to upload a few times but then i noticed author did mention to enable modular avatar so i did but when i tried uploading it the error popped up. Also how do i stick the file into the editor folder?

So in your project you might need to create a folder named Editor, but then you can drag and drop the file in there. In unity you can create a folder by going to Assets, inside the Project tab, and right clicking a blank area and choosing Create Folder